i typed the third command quite naturally. then i remembered....:
$ sudo -l
-bash: sudo: command not found
$ locate sudo | grep '/sudo$'
locate: can not open `/var/lib/mlocate/mlocate.db': Permission denied
$ sudo locate sudo | grep '/sudo$'
-bash: sudo: command not found
--
Live in a world of your own, but always welcome visitors.
***
Just say NO to a police state:
http://www.nytimes.com/2011/09/13/opinion/protect-our-right-to-anonymity.html